decennium

[dih-sen-ee-uh m]

noun, plural de·cen·ni·ums, de·cen·ni·a [dih-sen-ee-uh] /dɪˈsɛn i ə/.

a period of ten years; a decade.

Origin of decennium

From Latin, dating back to 1675–85; see origin at decennial
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for decennium

decennary, decagon, decade, decapod, decemvir, decemvirate

Examples from the Web for decennium

Historical Examples of decennium


British Dictionary definitions for decennium

decennium

decennary (dɪˈsɛnərɪ)

noun plural -niums, -nia (-nɪə) or -naries

a less common word for decade (def. 1)

Word Origin for decennium

C17: from Latin, from decem ten + annus year
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012